tailieunhanh - QuickTime

. QuickTime The settings in the QuickTime panel affect the way movies are played back on your Mac, including movies that stream to you from a Web page and movies that you watch using QuickTime Player | . QuickTime The settings in the QuickTime panel affect the way movies are played back on your Mac including movies that stream to you from a Web page and movies that you watch using QuickTime Player Chapter 15 . You don t have to touch most of these options but here are a few worth tweaking Register. Fill in the blanks to upgrade to QuickTime Pro see Chapter 15. Browser. These settings control how your Web browser s QuickTime plug-in works with streaming video. Play movies automatically for example tells the plug-in to start playing movies as soon as they begin downloading rather than wait for the entire movie to download first. If you have a dial-up Internet connection you ll probably want this turned off to keep the incoming movie from stuttering. Update. These controls provide an easy way to download the latest QuickTime software version. Streaming. Some streaming QuickTime Website sare setup with multiple versions of the same movie each saved at a different size and frame rate. Based on your connection speed setting here the QuickTime plug-in can automatically request the appropriately sized version of a movie for the best possible playback. Usually Automatic detects the speed saving you the trouble of muddling with the pop-up menu. The Enable Instant-On feature means that you can begin watching a streaming QuickTime movie before it s been fully downloaded. However this feature works because QuickTime analyzes how fast the movie data is arriving from the Web and extrapolating. If I m getting 30 K of data per second for example then I can begin playing this movie after three seconds worth have arrived on this Mac. The rest of the movie data will keep coming in while I m playing back so I can play this movie uninterrupted. Well right unless the stream doesn t keep coming at 30 K per second. If Internet traffic slows down the stream at some point you ll wind up with a paused movie and a loading indicator while QuickTime catches up. The purpose of the Play .

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